docstr: fails when passed a negative value 
docstr_tok: ["fails","when","passed","a","negative","value"]
code: def test_midi2note_negative_value(self):
      "fails when passed a negative value"
      assert_raises(ValueError, midi2note, -2)
  
file_path: aubio/python/tests/test_midi2note.py
imports: from aubio import midi2note
  from _tools import parametrize, assert_raises
label_desc: Use image node_id 1 for calling the Test_midi2note_wrong_values obj's underlying member method code with example usage: obj.test_midi2note_negative_value() without return types